| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 1020 |
85%
|
| 1 | Yes | 180 |
15%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|